IIBA-CBDA study materials
IIBA-CBDA study resources

IIBA-CBDA case studies

IIBA-CBDA · Put your knowledge to work in context.

The Certification in Business Data Analytics (CBDA) is one of IIBA's specialized credentials, listed on iiba.org alongside the Agile Analysis Certification (AAC), Certificate in Cybersecurity Analysis (CCA) and Certificate in Product Ownership Analysis (CPOA). It sits in the specialized tier of a credential family that runs from the entry-level ECBA through CCBA to CBAP, so it is aimed at people who already do business analysis work and want to be recognized for the analytics side of it specifically: framing the research question, sourcing data, analyzing it, interpreting and reporting results, and using those results to guide business decisions. The IIBA-CBDA case studies are 5 cases and about 3,974 words.

1

Turning a Dashboard Request into Answerable Research Questions

A regional bank's contact-center CSAT fell from 4.3 to 3.6 on a 5-point scale over two quarters. The VP of Operations asks the analytics team for a dashboard that shows why satisfaction dropped.

744 words, about 4 min
2

Sourcing Data for an ED-Risk Targeting Program

A health insurer wants to cut avoidable emergency department visits. Sources on hand: 24 months of medical claims for 1.8 million members; member-portal clickstream since January 2023, covering only the 41% of members who have ever logged in; a vendor ZIP-level socioeconomic append; and a 12,000-member survey with a 9% response rate.

806 words, about 4 min
3

Reading an Underpowered, Peeked Checkout Test

An e-commerce team tested a simplified checkout (variant B) against the current flow (variant A), randomizing at the session level. After 9 days, each arm had 10,000 sessions.

838 words, about 4 min
4

Reporting a Late-Payment Model Without the Accuracy Trap

A finance shared-services group built a model to flag invoices likely to be paid more than 60 days late. On a held-out test set of 50,000 invoices, 2,000 were actually late (4%).

805 words, about 4 min
5

Propensity Versus Uplift in a Retention Program

A subscription business has 500,000 customers and 4.5% monthly churn. A retention offer costs USD 35 per recipient and, on average across past campaigns, lifts retention by 6 percentage points among recipients.

781 words, about 4 min